SCREW & NUT KNOB The SCREW & NUT KNOB is a durable replacement part designed to fit a wide range of machines. It combines a screw and lock nut in a single knob for a secure, adjustable connection that stands up to demanding use. Key benefits Broad compatibility: fits FR130, FR85, FS55, FS75, FS83, KM100, KM130, KM55, KM56, KM85, KM90, and SP models. Secure and reliable: screw and lock nut design provides a firm, stable hold and helps prevent loosening during operation. Durable construction: crafted with attention to detail to withstand heavy use and deliver longlasting performance. Easy installation: designed for straightforward replacement of old or damaged parts, helping you restore equipment quickly. What makes it stand out Functionality: combines both fixing and locking action in one knob for efficient adjustments. Versatility: broad model compatibility supports multiple machine families in maintenance and upgrades. Maintenancefriendly: simple installation reduces downtime and minimizes service effort. 23 practical use scenarios Scenario 1: Routine maintenance on FR130, FR85, FS55, FS75, FS83, KM100, KM130, KM55, KM56, KM85, KM90, or SP machines to a worn or damaged knob and restore secure adjustment. Scenario 2: Refurbishment or upgrade of multiple machines in a floor, allowing quick swap of old knobs with the SCREW & NUT KNOB to standardize components across equipment. Scenario 3: Onsite service or production line setup where fast, reliable knob replacements are needed to minimize downtime and maintain consistent performance.